/* ============================================
   태양 육곳간 - Admin Stylesheet
   ============================================ */
:root {
  --primary: #D32F2F;
  --primary-dark: #B71C1C;
  --primary-light: #EF5350;
  --blue: #1d4ed8;
  --green: #16a34a;
  --orange: #d97706;
  --red: #dc2626;
  --gray1: #111827;
  --gray2: #374151;
  --gray3: #6b7280;
  --gray4: #9ca3af;
  --gray5: #e5e7eb;
  --gray6: #f3f4f6;
  --white: #ffffff;
  --sidebar-w: 240px;
  --header-h: 56px;
  --radius: 10px;
  --shadow: 0 1px 8px rgba(0,0,0,0.10);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
  --font: 'Noto Sans KR', sans-serif;
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); background: var(--gray6); color: var(--gray1); min-height: 100vh; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
input, select, textarea, button { font-family: var(--font); }

/* ── Login ── */
.login-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1a0a05, #3d1a00, #8B2500);
}
.login-box {
  background: var(--white); border-radius: 16px; padding: 44px 40px;
  width: 100%; max-width: 380px; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  text-align: center;
}
.login-logo { font-size: 2rem; font-weight: 900; margin-bottom: 4px; }
.login-logo .lm { color: var(--primary); }
.login-logo .ls { color: var(--gray1); }
.login-sub { color: var(--gray3); font-size: 0.9rem; margin-bottom: 28px; }
.lg-group { margin-bottom: 16px; text-align: left; }
.lg-group label { display: block; font-weight: 600; font-size: 0.88rem; color: var(--gray2); margin-bottom: 6px; }
.lg-group input {
  width: 100%; padding: 12px 14px;
  border: 2px solid var(--gray5); border-radius: 8px;
  font-size: 0.95rem; outline: none; transition: border-color var(--transition);
}
.lg-group input:focus { border-color: var(--primary); }
.btn-admin-primary {
  width: 100%; padding: 13px; background: var(--primary); color: var(--white);
  border: none; border-radius: 8px; font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: background var(--transition); margin-top: 4px;
}
.btn-admin-primary:hover { background: var(--primary-dark); }
.login-err { color: var(--red); font-size: 0.85rem; margin-top: 10px; }
.back-link { display: inline-block; margin-top: 20px; color: var(--gray3); font-size: 0.85rem; transition: color var(--transition); }
.back-link:hover { color: var(--primary); }

/* ── Admin App Layout ── */
#adminApp { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-w); background: #1a0a05;
  position: fixed; top: 0; left: 0; height: 100vh;
  overflow-y: auto; z-index: 100; transition: transform var(--transition);
  display: flex; flex-direction: column;
}
.sidebar-header {
  padding: 20px 16px; border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 1.4rem; font-weight: 900; color: var(--white); line-height: 1.2;
}
.sidebar-header .lm { color: var(--primary-light); }
.sidebar-header .ls { color: var(--white); }
.sidebar-header p { font-size: 0.72rem; color: rgba(255,255,255,0.4); font-weight: 400; margin-top: 4px; letter-spacing: 1px; }
.sidebar-nav { padding: 12px 8px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 8px; color: rgba(255,255,255,0.65);
  font-size: 0.88rem; font-weight: 500; cursor: pointer; transition: all var(--transition);
  margin-bottom: 2px; white-space: nowrap;
}
.nav-item:hover { background: rgba(255,255,255,0.07); color: var(--white); }
.nav-item.active { background: var(--primary); color: var(--white); }
.nav-item i { width: 18px; text-align: center; font-size: 0.85rem; }
.sidebar-footer {
  padding: 12px 8px; border-top: 1px solid rgba(255,255,255,0.08);
}

/* Main */
.admin-main {
  margin-left: var(--sidebar-w); flex: 1;
  display: flex; flex-direction: column; min-height: 100vh;
}
.admin-topbar {
  height: var(--header-h); background: var(--white);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; box-shadow: var(--shadow); position: sticky; top: 0; z-index: 50;
}
.admin-topbar h2 { font-size: 1rem; font-weight: 700; color: var(--gray1); }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.admin-content { padding: 24px; flex: 1; }

/* Sidebar Toggle (mobile) */
.sidebar-toggle {
  display: none; background: none; border: none;
  font-size: 1.2rem; color: var(--gray1); cursor: pointer; margin-right: 12px;
}

/* ── Cards ── */
.card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.card-header {
  padding: 16px 20px; border-bottom: 1px solid var(--gray5);
  display: flex; align-items: center; justify-content: space-between;
}
.card-header h3 { font-size: 0.95rem; font-weight: 700; }
.card-body { padding: 20px; }

/* ── Stat Cards ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(180px,1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--white); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 14px;
}
.stat-icon { width: 46px; height: 46px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.stat-icon.red  { background: rgba(211,47,47,0.12); }
.stat-icon.blue { background: rgba(29,78,216,0.12); }
.stat-icon.grn  { background: rgba(22,163,74,0.12); }
.stat-icon.org  { background: rgba(217,119,6,0.12); }
.stat-info .num { font-size: 1.6rem; font-weight: 800; line-height: 1; }
.stat-info .lbl { font-size: 0.78rem; color: var(--gray3); margin-top: 2px; }

/* ── Buttons ── */
.btn-sm {
  padding: 6px 14px; border-radius: 6px; font-size: 0.82rem;
  font-weight: 600; cursor: pointer; border: none; transition: all var(--transition);
  display: inline-flex; align-items: center; gap: 5px;
}
.btn-primary-sm  { background: var(--primary); color: var(--white); }
.btn-primary-sm:hover { background: var(--primary-dark); }
.btn-blue-sm    { background: var(--blue); color: var(--white); }
.btn-blue-sm:hover { background: #1e40af; }
.btn-green-sm   { background: var(--green); color: var(--white); }
.btn-green-sm:hover { background: #15803d; }
.btn-ghost-sm   { background: var(--gray5); color: var(--gray2); }
.btn-ghost-sm:hover { background: var(--gray4); }
.btn-danger-sm  { background: var(--red); color: var(--white); }
.btn-danger-sm:hover { background: #b91c1c; }
.btn-outline-sm { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline-sm:hover { background: var(--primary); color: var(--white); }

/* ── Table ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th { background: var(--gray6); padding: 10px 12px; text-align: left; font-weight: 600; color: var(--gray2); white-space: nowrap; border-bottom: 2px solid var(--gray5); }
td { padding: 10px 12px; border-bottom: 1px solid var(--gray5); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafafa; }
.badge-active   { background: #d1fae5; color: #065f46; padding: 2px 8px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; }
.badge-inactive { background: var(--gray5); color: var(--gray3); padding: 2px 8px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; }
.badge-pending   { background: #fef3c7; color: #92400e; padding: 2px 8px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; }
.badge-confirmed { background: #d1fae5; color: #065f46; padding: 2px 8px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; }
.badge-cancelled { background: #fee2e2; color: #991b1b; padding: 2px 8px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; }
.td-img { width: 50px; height: 40px; object-fit: cover; border-radius: 6px; }
.td-img-ph { width: 50px; height: 40px; border-radius: 6px; background: var(--gray5); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }

/* ── Forms ── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-full { grid-column: 1 / -1; }
.fg { margin-bottom: 14px; }
.fg label { display: block; font-weight: 600; font-size: 0.82rem; color: var(--gray2); margin-bottom: 5px; }
.fg input, .fg select, .fg textarea {
  width: 100%; padding: 9px 12px;
  border: 1.5px solid var(--gray5); border-radius: 7px;
  font-size: 0.9rem; outline: none; transition: border-color var(--transition);
  background: var(--white);
}
.fg input:focus, .fg select:focus, .fg textarea:focus { border-color: var(--primary); }
.fg textarea { resize: vertical; min-height: 80px; }
.fg-check { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; }
.fg-check input { width: auto; }

/* Upload */
.upload-area {
  border: 2px dashed var(--gray5); border-radius: 8px; padding: 20px;
  text-align: center; cursor: pointer; transition: all var(--transition);
  background: var(--gray6); font-size: 0.88rem; color: var(--gray3);
}
.upload-area:hover { border-color: var(--primary); background: rgba(211,47,47,0.03); }
.upload-preview { max-width: 160px; max-height: 120px; border-radius: 6px; margin: 10px auto 0; object-fit: cover; }
.upload-url-note { font-size: 0.78rem; color: var(--gray4); margin-top: 6px; }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  z-index: 1000; display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.modal-box {
  background: var(--white); border-radius: 14px;
  width: 100%; max-width: 580px; max-height: 90vh;
  overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  animation: modalIn 0.25s ease;
}
@keyframes modalIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-header {
  padding: 16px 20px; border-bottom: 1px solid var(--gray5);
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; background: var(--white); z-index: 1;
}
.modal-header h3 { font-size: 1rem; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--gray3); padding: 4px; }
.modal-close:hover { color: var(--gray1); }
.modal-body { padding: 20px; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--gray5); display: flex; justify-content: flex-end; gap: 10px; }

/* ── Toast ── */
.adm-toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--gray1); color: var(--white); padding: 12px 20px;
  border-radius: 8px; font-size: 0.88rem; z-index: 9999;
  box-shadow: var(--shadow-md); opacity: 0; transition: opacity 0.3s;
  pointer-events: none; max-width: 320px;
}
.adm-toast.show { opacity: 1; }
.adm-toast.success { background: var(--green); }
.adm-toast.error   { background: var(--red); }

/* ── Filter Bar ── */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }
.filter-bar input, .filter-bar select {
  padding: 8px 12px; border: 1.5px solid var(--gray5);
  border-radius: 7px; font-size: 0.88rem; outline: none;
}
.filter-bar input:focus, .filter-bar select:focus { border-color: var(--primary); }

/* ── Reservation Detail ── */
.res-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.res-detail-item { background: var(--gray6); border-radius: 8px; padding: 12px 14px; }
.res-detail-item .lbl { font-size: 0.78rem; color: var(--gray3); margin-bottom: 4px; }
.res-detail-item .val { font-weight: 600; font-size: 0.9rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .sidebar-toggle { display: block; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .form-grid { grid-template-columns: 1fr; }
}